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If 2x^2+lambdaxy+2y^2 +(lambda-4)x + 6y-...

If `2x^2+lambdaxy+2y^2 +(lambda-4)x + 6y-5=0` represents a circle, then its radius is:

A

`2sqrt2`

B

`3sqrt2`

C

`2sqrt3`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
D
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